Square root of 80
The square root of 80 is 8.944272 (rounded to 6 decimal places). In simplest radical form it is 4ā5.
Square root of 80
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 80 is the number that multiplied by itself gives 80.
- 2
80 is between the perfect squares 8Ā² = 64 and 9Ā² = 81, so its square root is between 8 and 9.
- 3
Pull out the biggest square factor: 80 = 16 Ć 5, so
- 4
A calculator, or long division of digits, gives
LaTeX source of the formulas on this page
\[ \sqrt{80} = 4\sqrt{5} \approx 8.944272 \]
\[ \sqrt{80} = \sqrt{16 \times 5} = 4\sqrt{5} \]
\[ \sqrt{80} \approx 8.944272 \]Squares around 80
| Number | Squared |
|---|---|
| 7 | 49 |
| 8 | 64 |
| 9 | 81 |
| 10 | 100 |
Questions
What is the square root of 80?
The square root of 80 is 8.944272 (rounded to 6 decimal places). In simplest radical form it is 4ā5.
Is 80 a perfect square?
No. It lies between 8Ā² = 64 and 9Ā² = 81.
What is 80 squared?
80 Ć 80 = 6400.
What is the square root of 80 rounded to 2 decimals?
8.94.